package edu.sctu;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

/**
 * Created by LENOVO on 2018/6/18.
 */
public class UserListServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req,
                         HttpServletResponse resp)
            throws ServletException, IOException {

        //JSP页面中没有任何的Java代码！！！
        Database database=new Database();
        List<User> userList=database.getUserList();


        //EL表达式涉及到的所有变量必须在四块空间里面定义。

        //request.setAttribute("userList",userList);
        req.setAttribute("userList",userList);
        req.getRequestDispatcher("/userList.jsp").forward(req,resp);

        //forword  转发
        //redirect  重定向
        /**
         * 1)路径区别
         *
         */


    }
}
